Re: [57north-discuss] Space rack/server

2019-10-25 Thread Tony Travis
On 25/10/2019 17:11, Iain R. Learmonth wrote: [...] I don't understand why the power supplies are so overspec'd. Maybe for older power hungry hard drives or something. Hi, Iain. Server PSUs are overspec'ed for at least two reasons: One is peak start-up 'inrush' currents, and another is a

Re: [57north-discuss] Space rack/server

2019-10-25 Thread Iain R. Learmonth
Hi, On 22/10/2019 10:20, Hibby wrote: > 3120VA isn't that much, and in terms of heat output is pretty low too - my > server potentially draws 750W. 2-3 of them and we're stuffed! Your server doesn't draw 750W. It's more like 130W. I don't understand why the power supplies are so overspec'd.

Re: [57north-discuss] Space rack/server

2019-10-22 Thread Hibby
> Are we going to run the aircon all the time? What happens when someone > switches it off? The aircon won't make that much difference - 2-3C change in ambient external temperature shouldn't impact us that much. Really we need to consider our heat dissipation of the hardware mounted inside and

Re: [57north-discuss] Space rack/server

2019-10-21 Thread Iain R. Learmonth
Hi, On 21/10/2019 15:17, Midder wrote: > I still have WSPR's Rack in my garage, it may be useful for this, though > noise may be an issue depending on what er put in it. IIRC it is a full > length one unless WSPR wants it back? I do remember being able to fit an HP DL360 in it. Thanks, Iain.

Re: [57north-discuss] Space rack/server

2019-10-21 Thread Midder
Hello Hibby, I still have WSPR's Rack in my garage, it may be useful for this, though noise may be an issue depending on what er put in it. IIRC it is a full length one unless WSPR wants it back? Midder On Sun, Oct 20, 2019 at 04:29:27PM +0100, Hibby wrote: > Howdy friends! > > I know we’ve

Re: [57north-discuss] Space rack/server

2019-10-21 Thread Iain R. Learmonth
Hi, On 21/10/2019 14:43, Hibby wrote: >> * how long will we have the space for this? > No idea! This is probably the biggest thing to sort out. >> * do we have power for this? > We should probably wait until we get our first power bill and find out how > much a kWh is, and then we can plan

Re: [57north-discuss] Space rack/server

2019-10-21 Thread Hibby
On Mon, 21 Oct 2019, at 1:41 PM, Iain R. Learmonth wrote: > On 20/10/2019 16:29, Hibby wrote: > > I know we’ve got a couple of racks in space already, but I’d like to gather > > thoughts and ideas on consolidating all the hardware into a single 21U or > > 42U rack, > > I believe we now have the

Re: [57north-discuss] Space rack/server

2019-10-21 Thread Iain R. Learmonth
Hi, On 20/10/2019 16:29, Hibby wrote: > I know we’ve got a couple of racks in space already, but I’d like to gather > thoughts and ideas on consolidating all the hardware into a single 21U or 42U > rack, I believe we now have the space for this. Considerations remaining are: * how long will

[57north-discuss] Space rack/server

2019-10-20 Thread Hibby
Howdy friends! I know we’ve got a couple of racks in space already, but I’d like to gather thoughts and ideas on consolidating all the hardware into a single 21U or 42U rack, I’ve got an HP server that I’d really like to take out it’s current location and set up in space as a shared VM